Railway-signal.



PATENTED MAY 12, 1908. S. BAYAS.

RAILWAY SIGNAL.

APPLICATION FILED APR. 15, 1907.

SOFRONY BAYAS, OF LOS ANGELES, CALIFORNIA.

RAILWAY-SIGNAL.

Specification of Letters Patent.

Patented. May 12, 1908.

Application filed. April 15, 1907. Serial No 368,444.

T 0 all whom it may concern:

Be it known that I, SOFRONY BAYA$, a sub ject of the Em )eror ofAustria-Hungary, residing at Los ngeles, in the county of Los Angelesand State of California, have invente ed a new and usefulRailway-Signal, of which the following is a specification.

The object of this invention is to safeguard trains from collision while'on the same track or on intersecting tracks. I

In the accompanying drawings :Figure l is a side elevation of a portionof an engine,

showing a portion of a signaling conductor overthe track and the meansfor taking current therefrom, Fig. 2 is a cross section of the cab,showing, diagrammatically, the signal connections and showing inelevation the overhead conductors and the trolley means therefor. Fig. 3is a detailed section of the trolley. Fig. 4 is a plan of a portion ofthe sectional conductors as applied over a track.

Fig. 5 is a plan showing the application of the conductors at thecrossing.

Referring to Figs. 1 and 2, l designates an engine on which is mounted atrolley 2 having an operating spring 3 topress the trolley wheel 4upwardly against conductors 5, 6, mounted over the track and supportedby suitable means such as cross suspensions 7, insulating hangers 8 andposts 9.

The trolley 2 has two trolley wheels 4, each of which is insulated fromthe fork 12 of the trolley bar 2 by insulating bushings 10, a connectionbeing made to the outer end portion of the shaft 13 of the trolley wheeland con ductors 14 being led from the respective trolley Wheels down tothe pivot 15 of the trolley and thence into the cab. These conductors orwires are included in a circuit with a generator 17, a volt meter 18 anda bell 19 connected in parallel with the volt meter.

The conductors 5, 6 along and over the track are divided into sections,separated by section insulators 20, each section being of any desiredlength, for example, of a mile, or two miles, and the breaks or sectioninsulators, of the sections, on the opposite sides, breaking joint orbeing alternated in position as shown in Fig. 3, so that the breaks onone side come half way between the breaks on circuit through the trolleywheel to the sec tional conductor 5.

Normally, or when there is no other train on the same section, thecircuit is open cirouited at the breaks between the sections, but whenanother train comes onto the same section, that is with its trolleysbearing on the parts of the same two sectional conductors, then thecircuit is closed to said other train, and it. will be noted that thepolarity presented by the generator of said other train, if thetrains'are running in op osition, will bev in the same direction arounthe circuit as that of the first train, one train tending to. causecurrent to flow from conductor 5 through the cab signal circuit toconductor 6 and the generator in the other train tending to force thecurrent'from generator 6 through the cab signal circuit therein toconductor 5, so thatthe effect is accumulative.

and the forward train is stationary, its cab circuit will operate toclose the connection between the conductors "5 and 6 so that when willoperate the signal devices in the cabs of both engines.

Fig. 5 shows the application of the invention to a crossing where thetwo sets of conductors 5, 6 cross one another and are connected in pairsas indicated, so that if two trains are approaching a crossing, eachtrain being rovided with the sect-ion devices as shown in Figs. 1 and 2,the signal will be rung in the cabs of both engines.

What I claim is 1. In an electric railway signal, a track, twoconductors divided into insulated sections, and an engine on the trackprovided with a source of electrical energy,. and a signal electricallyconnected with said source forked harp, a shaft insulatedly mounted ineach fork, one of which is electrically connected with said signal andthe other one with the source of energy, and a trolley wheel on eachshaft and in engagement with one of said conductors.

2. In an electrical railway signal, a track, two conductors thereover,each comprising insulated sections, the breaks of the two conductorsalternating with each other, two vehicles on the track, each providedwith a source of electrical energy, and a signal electrically connectedtherewith, a t 'olley on each vehicle provided with a fork d harp, a

the other train comes on the same section itand a trolley on the engineprovided with a' If the trains are going in the'same direction trolleyWheel insulateoi mounted in each I my'hand at Los Angeles, Californiathis 5th fork in engagemenlt with one of said conducday of April 1907.tors and a Wire e ectrically connected with v eecli wheel, one of WhichWires is connected SOFRONY with the source of energy and the other oneIn presence of- Y is connected with the signal. GEORGE T. HACKLEY,

In testimony whereof, I have hereunto set LOUIs W. GRATZ.

